Managed XDR

vtdl_5reemywj (Tinba) — malware analysis report

File info

Filename
vtdl_5reemywj
File type
Zip archive data, at least v2.0 to extract
File size
910.3 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
e71d785714e1710f6fd5d4a2ff939c3fee41c22b
SHA256
4a97ec211b74640623d7bdad5ce4bfa78e314395a3145b9afe6af8253089acd5
MD5
b631bb7bf391be3148616c8fc1f145d3

Malwares

  • Tinba

Signatures

Execution

T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1059.001 suspicious_powershell: Creates suspicious powershell process
T1047 has_wmi: Executes one or several WMI requests

Persistence

T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Defense Evasion

T1564.001 stealth_file: Creates hidden or system files
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1480 system_default_lang_id_present: Checks the system language
T1562.001 windows_defender_add_exclusion: Adds a path to Microsoft Defender exclusion list

Credential Access

T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Discovery

T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1057 has_wmi: Executes one or several WMI requests
T1518 locates_browser: Attempts to identify where browsers are installed
T1082 reads_csrss: Attempts to read csrss.exe memory
T1135 server_share_info: Retrieves information about each shared resource on a server

Command and Control

T1071.001 network_cnc_http: Suspicious HTTP traffic
T1071.001 network_http: Performs HTTP requests
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

yara_rules: Static rules
creates_in_windows: Creates files in the Windows directory
copies_self: Creates a copy of itself
suricata_alert: Malicious traffic detected
creates_exe: Creates executable files in the file system
executes_dropped_exe: Executes dropped exe files
valid_authenticode: The digital signature has been verified
create_rpc_bindings: Creates RPC connection
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
origin_langid: Unconventional language of the executable file
get_policy_info: Retrieves information about a Policy object
creates_in_programdata: Creates files in the ProgramData directory
writes_data: Writes big amount of data to disk
pe_overlay: PE file contains overlay

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